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Defend Your Life; the award-winning and Amazon bestseller by Sue Rex Ryan contains vital information about the health benefits of vitamin D including the potential prevention of chronic medical conditions including autism, cancer, diabetes, heart disease, and multiple sclerosis.
For the majority of her life, Sue Ryan endured an undiagnosed vitamin D deficiency from lack of adequate sun exposure. After retiring in her early 50’s, Ryan parlayed her science background with a quest to attain a medical understanding of hormonal imbalance. She attended medical conferences, seminars, and worksh
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